/* ============================================
   RM RELATÓRIOS & ROI — Design System
   ============================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    /* Cores principais */
    --primary:        #0d0d0d;
    --primary-light:  #1a1a1a;
    --primary-hover:  #2a2a2a;

    --accent:         #BFFF00;
    --accent-hover:   #a8e600;
    --accent-soft:    rgba(191, 255, 0, 0.1);
    --accent-text:    #0d0d0d;

    --purple:         #5B21B6;
    --purple-soft:    rgba(91, 33, 182, 0.1);

    /* Semânticas */
    --success:        #10b981;
    --success-soft:   rgba(16, 185, 129, 0.1);
    --warning:        #f59e0b;
    --warning-soft:   rgba(245, 158, 11, 0.1);
    --error:          #ef4444;
    --error-soft:     rgba(239, 68, 68, 0.1);
    --info:           #3b82f6;
    --info-soft:      rgba(59, 130, 246, 0.1);

    /* Superfícies */
    --bg:             #f5f5f7;
    --surface:        #ffffff;
    --surface-hover:  #fafafa;
    --border:         #e5e5e5;
    --border-light:   #f0f0f0;

    /* Texto */
    --text:           #1a1a1a;
    --text-secondary: #6b7280;
    --text-muted:     #9ca3af;
    --text-inverse:   #ffffff;

    /* Tipografia */
    --font:           'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Layout */
    --sidebar-w:      264px;
    --topbar-h:       64px;

    /* Raios */
    --radius-sm:      4px;
    --radius:         8px;
    --radius-lg:      12px;
    --radius-xl:      16px;
    --radius-full:    9999px;

    /* Sombras */
    --shadow-sm:      0 1px 2px rgba(0,0,0,0.04);
    --shadow:         0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:      0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.03);
    --shadow-lg:      0 10px 15px rgba(0,0,0,0.05), 0 4px 6px rgba(0,0,0,0.03);
    --shadow-xl:      0 20px 25px rgba(0,0,0,0.06), 0 8px 10px rgba(0,0,0,0.04);

    /* Transições */
    --ease:           cubic-bezier(0.4, 0, 0.2, 1);
    --duration:       200ms;
}

/* ============================================
   Tipografia
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: 1.875rem; letter-spacing: -0.025em; }
h2 { font-size: 1.5rem; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; letter-spacing: 0.05em; }

/* Números tabulares */
.tabular-nums { font-variant-numeric: tabular-nums; }

/* ============================================
   Utilitários de espaçamento
   ============================================ */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

/* Flex/Grid utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.grid { display: grid; }
.hidden { display: none !important; }

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }